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Graphical Methodology of Global Pollution Index for the Environmental Impact Assessment Using Two Environmental Components

机译：使用两个环境组分对环境影响评估的全球污染指数的图解方法

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One of the applied methods for environmental impact assessment is the index of global pollution ( I GP ) proposed by Rojanschi in 1991. This methodology enables the global estimation for the ecosystem state affected more or less by human activities. Unfortunately, Rojanschi’s method has a limitation; it can be applied only if at least three environmental components are considered. Frequently, many environmental impact assessment applications rely on analysis of only two environmental components. Therefore, this work aimed to develop a new graphical method to extend Rojanschi’s approach for the case of two environmental components. The proposed method avoids the average value of evaluation grades and uses only the graphical correspondence for calculation of the index of global pollution. A right-angle triangle graph methodology was proposed, where bases represented the values of evaluation grades. Thus, for the case of two environmental components, the index of global pollution was calculated as the relation between the ideal and real ecosystem states represented by the ratio between areas of external and enclosed right triangles. The developed graphical method was tested and validated for real case studies: the environmental impact assessment from a refinery located on the Romanian Black Sea Coast considering Air and Water environmental components and from a coal-fired thermoelectric power plant from Eastern Romania regarding Air and Soil environmental components. In this way, it was provided a reliable and faster tool to be used for the pollution characterization of human-derived chemicals for better decisions in risk management.
机译：环境影响评估的应用方法之一是Rojanschi于1991年提出的全球污染指数（I GP）。该方法能够通过人类活动或多或少地影响生态系统状态的全球估计。不幸的是，Rojanschi的方法有一个限制;只有在考虑至少三种环境组分时，才能应用。通常，许多环境影响评估应用依赖于仅为两个环境组成部分的分析。因此，这项工作旨在开发一种新的图形方法，以扩展Rojanschi对两个环境组件的情况。该方法避免了评估等级的平均值，仅使用图形对应，以计算全局污染指标。提出了一个直角三角形图方法，基础代表了评估等级的值。因此，对于两个环境部件的情况，将全局污染指数计算为理想和实际生态系统状态之间的关系，由外部和封闭的右三角形的区域之间的比率表示。测试和验证了现实案例研究的开发的图形方法：从位于罗马尼亚黑海海岸的炼油厂的环境影响评估考虑空气和水环境部件，以及来自东罗马尼亚的燃煤热电厂有关空气和土壤环境组件。通过这种方式，提供了一种可靠且更快的工具，用于用于人类化学品的污染表征，以便在风险管理中做出更好的决定。

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